SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-28293

Windows Kernel Elevation of Privilege Vulnerability

EXPLOITHIGH 7.8EPSS 2.87%

Does this matter?

A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 2.9%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

Windows Kernel Elevation of Privilege Vulnerability

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.87% probability · 87th percentile
Public exploits
1 in Exploit-DB · first 26 June 2023
CISA KEV
Not listed
Weakness
CWE-191
Affected
microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 20h2 · microsoft/windows 10 21h2 · microsoft/windows 10 22h2 · microsoft/windows 11 21h2 · microsoft/windows 11 22h2 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022
Source
secure@microsoft.com
EPSS trend
0%3%5%26 October 2026: 2.87%26 October 202626 October 2026

EPSS 2.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-51544source ↗Windows 11 22h2 - Kernel Privilege Elevationwindows · Amirhossein Bahramizadehlocal26 June 2023no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.